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Class Information
Number: 420/38
Name: Alloys or metallic compositions > Ferrous (i.e., iron base) > Nine percent or more chromium containing > Cobalt containing > Molybdenum or tungsten containing > Nickel containing
Description: Alloy or metallic composition which additionally contains nickel.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8684594 Magnetically insensitive, highly hard and constant-modulus alloy, and its production method, as well as hair spring, mechanical driving apparatus and watch and clock Apr. 1, 2014
8607941 Steel sheet for brake disc, and brake disc Dec. 17, 2013
8480817 Thermal mechanical processing of stainless steel Jul. 9, 2013
8440136 Steel alloy and tools or components manufactured out of the steel alloy May. 14, 2013
8313691 Lean austenitic stainless steel Nov. 20, 2012
8241558 High-Cr, high-Ni, heat-resistant, austenitic cast steel and exhaust equipment members formed thereby Aug. 14, 2012
8034197 Ultra-high strength stainless steels Oct. 11, 2011
7926180 Method for manufacturing gas and liquid storage tanks Apr. 19, 2011
7892366 Duplex stainless steel alloy and use thereof Feb. 22, 2011
7879159 Martensitic stainless steel strengthened by Ni.sub.3Ti .eta.-phase precipitation Feb. 1, 2011
7820098 High Cr ferritic heat resistance steel Oct. 26, 2010
7754143 Cobalt-rich wear resistant alloy and method of making and use thereof Jul. 13, 2010
7754144 High Nb, Ta, and Al creep- and oxidation-resistant austenitic stainless steel Jul. 13, 2010
7754305 High Mn austenitic stainless steel Jul. 13, 2010
7744813 Oxidation resistant high creep strength austenitic stainless steel Jun. 29, 2010
7475478 Method for manufacturing automotive structural members Jan. 13, 2009
7235212 Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels and method of making said steels Jun. 26, 2007
7186304 Carbo-nitrided case hardened martensitic stainless steels Mar. 6, 2007
7160399 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels Jan. 9, 2007
6881280 Iron-based alloy for internal combustion engine valve seat inserts and the like Apr. 19, 2005
6841122 Hot working die steel excelling in molten corrosion resistance and strength at elevated temperature and member for high temperature use formed of the hot working die steel Jan. 11, 2005
6630103 Ultra-high-strength precipitation-hardenable stainless steel and strip made therefrom Oct. 7, 2003
6592685 Transformation controlled nitride precipitation hardening heat treatable steel Jul. 15, 2003
6485679 Heat resistant austenitic stainless steel Nov. 26, 2002
6485678 Wear-resistant iron base alloys Nov. 26, 2002
6479013 Casting components made from a tool steel Nov. 12, 2002
6464804 Martensitic-hardenable heat-treated steel with improved resistance to heat and ductility Oct. 15, 2002
6426039 Ferritic stainless steel Jul. 30, 2002
6419453 Steam turbine rotor shaft Jul. 16, 2002
6306544 Cobalt-based alloys as positive electrode current collectors in nonaqueous electrochemical cells Oct. 23, 2001
6290904 Welding materials for high-Cr steels Sep. 18, 2001
6221183 High-strength and low-thermal-expansion alloy, wire of the alloy and method of manufacturing the alloy wire Apr. 24, 2001
6207103 Fe-Cr-Si steel sheets having excellent corrosion resistance and method for manufacturing the same Mar. 27, 2001
6193469 High toughness heat-resistant steel, turbine rotor and method of producing the same Feb. 27, 2001
6123504 Steam-turbine power plant and steam turbine Sep. 26, 2000
6123897 High chromium heat resistant cast steel material and pressure vessel formed thereof Sep. 26, 2000
6117388 Hot working die steel and member comprising the same for high-temperature use Sep. 12, 2000
6106766 Material for gas turbine disk Aug. 22, 2000
6095756 High-CR precision casting materials and turbine blades Aug. 1, 2000
6030469 Fully martensitic steel alloy Feb. 29, 2000
6007767 High chromium heat resistant cast steel material Dec. 28, 1999
5997806 Heat-resisting cast steel Dec. 7, 1999
RE36382 Precipitation hardenable martensitic stainless steel Nov. 9, 1999
5972287 Heat-resisting steel Oct. 26, 1999
5916517 Nitrogen-bearing iron-based alloy for machine parts subject to sliding friction Jun. 29, 1999
5817192 High-strength and high-toughness heat-resisting steel Oct. 6, 1998
5798082 High-strength and high-toughness heat-resistant cast steel Aug. 25, 1998
5591391 High chromium ferritic heat-resistant steel Jan. 7, 1997
5575972 FE-CR alloy and nozzle for diesel engines Nov. 19, 1996
5569337 Golf-club head Oct. 29, 1996

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